Philips S91 Series Manual page 16

ENGLISH
16
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1 Press the button on the side of the SmartClean system (1) and lift
the top part of the SmartClean system (2).
2 Take the empty cleaning cartridge from the SmartClean system and
3 Throw away the empty cleaning cartridge.
4 Unpack the new cleaning cartridge and pull the seal off the cartridge.
5 Place the new cleaning cartridge in the SmartClean system.
6 Push the top part of the SmartClean system back down ('click').
Clean the shaver after every shave for optimal shaving performance.
Be careful with hot water. Always check if the water is not too hot,
to prevent your hands from getting burnt.
Never dry the shaving unit with a towel or tissue, as this may damage the
shaving heads.